num = (1, 2, 3, 3, 4)
m = num.index(1)
print(m)
a = num.count(3)
print(a)
# 遍历
index = 0
while index < len(num):
    m = num[index]
    print(m)
    index += 1
for x in num:
    print(x,end='')